Mark-Paul Gosselaar Expecting His Third Child

A baby is on the way for the Franklin & Bash star and his wife Catriona McGinn in September, People reports. This will be the couple's first child together, and Gosselaar's third child."We are all really excited for the arrival of our new addition," the actor told the magazine. "We've always wanted a big family. The kids are looking forward to a little sibling, and are asking a lot of funny questions right now." Gosselaar has two kids, 6 1/2-year-old daughter Ava Lorenn and 9-year-old son Michael Charles, with ex-wife Lisa Ann Russell.Gosselaar and McGinn married last July.